package com.sky.controller.admin;


import com.sky.constant.MessageConstant;
import com.sky.result.Result;
import com.sky.utils.AliOssUtil;
import io.swagger.annotations.Api;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.UUID;

@RestController
@RequestMapping("/admin/common")
@Api(tags = "通用接口")
@Slf4j
public class  CommonController {

    @Autowired
    private AliOssUtil aliOssUtil;

//    这里为什么返回String类型, 图片的地址路径 返回String
//    file这个   参数名字和前端提交的参数名称相同
    @PostMapping("/upload")
    public Result<String> upload(MultipartFile file){
        log.info("文件上传:{}",file);

        try {
//            防止在阿里云中重复
            //起初的文件名
            String originalFilename = file.getOriginalFilename();
            //截取文件名字的后缀
            String substring = originalFilename.substring(originalFilename.lastIndexOf("."));
            // 构建新的文件名字
            String objectName = UUID.randomUUID().toString() + substring;

            //文件请求路径
            String upload = aliOssUtil.upload(file.getBytes(), objectName);
            //把上传的阿里路径发给前端接受
            return Result.success(upload);
        } catch (IOException e) {
            log.error("文件上传失败",e);
        }

        return Result.error(MessageConstant.UPLOAD_FAILED);
    }

}
